Finding the Fourth Proportional to 277,807.59, 416,655.23 and 78,137.19
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Solution
The fourth proportional to 277,807.59, 416,655.23 and 78,137.19 is: 117,189.99
Step by Step Solution
- Step 1: Write the proportion equation
277,807.59 : 416,655.23 = 78,137.19 : x - Step 2: Convert to fraction form
277,807.59/416,655.23 = 78,137.19/x - Step 3: Cross multiply
277,807.59x = 416,655.23 × 78,137.19 - Step 4: Simplify right side
277,807.59x = 32,556,268,480.32 - Step 5: Solve for x
x = 32,556,268,480.32/277,807.59 - Step 6: Final answer
x = 117,189.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.